19411360

素因数分解:

$2^5\times 5^1\times {\mathrm{121321}}^1$

素因数の和:121336

約数の個数: 24

約数和(自身を含む): 45859716

約数和(自身を除く): 26448356

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 121321, 242642, 485284, 606605, 970568, 1213210, 1941136, 2426420, 3882272, 4852840, 9705680, 19411360]

約数ペア:

[(1, 19411360), (2, 9705680), (4, 4852840), (5, 3882272), (8, 2426420), (10, 1941136), (16, 1213210), (20, 970568), (32, 606605), (40, 485284), (80, 242642), (160, 121321)]